ExamVeda
Login
Home
21
Which of the following reactions violates lepton number conservation?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
22
Fission fragments are generally radioactive as
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
23
In the nuclear shell model the spin parity of 15N is given by
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
24
The disintegration energy is defined to be the difference in the rest energy between the initial and final states. Consider the following process: $${}_{94}^{240}{\text{Pu}} \to {}_{92}^{236}{\text{U}} + {}_2^4{\text{He}}$$
The emitted α-particle has a kinetic energy 5.17 MeV. The value of the disintegration energy is
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
25
The volume of a nucleus in an atom is proportional to the
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
26
The interaction potential between two quarks, separated by a distance r inside a nucleon can be described by (a, b and β are positive constants)
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
27
According to the Quark model, the K+ meson is composed which of the following quarks
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
28
According to the single particle nuclear shell model, the spin parity of the ground state of $${}_8^{17}O$$  is
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
29
A ferromagnetic mixture of iron and copper having 75% atoms of Fe exhibits a saturation magnetization of 1.3 × 106 Am-1. Assume that the total number of atoms per unit volume is 8 × 1028 m-3. The magnetic moment of an iron atom in terms of the Bohr magneton is
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
30
Which one of the following nuclear processes is forbidden?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board